[The single most interesting piece of info I' ve read on the subject so far is that "egli/ella" is an acceptable regionalism in the spoken language, as well as something to be found in literature, mostly.

1. What kind of a no-no does it constitute (as regards the spoken and written language) then? Could anybody explain this on "native"/ "non native" speaker standards? (Unfortunately, I don't have a "feel" for Italian yet & cannot tell at all. I have even seen it commented as "ridiculous" when used -spoken language- but that was just some random blog...)

2. If these are a couple of "archaic legacy pronouns" growing scarcer, does this mean there's a difference in how a 7-year-old and a 70-year-old would use this today? Does this "archaic" take me some decades back? "Italian Unification'' back? Roughly speaking; not bent on dates here.]